Answer:
the answer is D. all of the above
Explanation:
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Answer:
Zoonotic Diseases
Explanation:
Zoonotic Diseases: Disease Transmitted from Animals to Humans. A zoonosis (zoonotic disease or zoonoses -plural) is an infectious disease that is transmitted between species from animals to humans (or from humans to animals)
Example: Corona virus
Animals that commonly transit diseases : Rat, Bat
Answer:
Oxygen levels are generally thought to have increased dramatically about 2.3 billion years ago. Photosynthesis by ancient bacteria may have produced oxygen before this time. ... In addition, early plants and algae began to release oxygen at a faster rate. Oxygen levels then showed a dramatic increase.
3) the sort of a cell division when the chromatids separate
